Frank Lloyd Wright Tree of Life Lightbox Accent Lamp Cherry wood veneer with hand made Lotka paper shade material. The Frank Lloyd Wright Martin House Tree of Life Lightbox Accent Lamp design is adapted from one of the series of "Tree of Life" windows in the Darwin D. Martin House. A 9-13 Watt compact fluorescent bulb (included). (Up to a 30 watt standard bulb may also be used.) Ht: 15.5". W: 5.75". D: 5.75". This Frank Lloyd Wright lamp is officially licensed by the Frank Lloyd Wright Foundation.